or the motor pulling excessive Amps while humming without rotation

Supports consistent BTU output and clean combustion to protect the secondary heat exchanger

If the switch opens below 650 PSI

Manual Override with Set-and-Hold: Facilitates system commissioning and testing even when the main controller is offline

Nidec-US Motors 9721 Motor 323055-751 or the motor pulling excessiveField proven and built for the rigors of commercial refrigeration, the Nidec US Motors 9721 Motor is a specialized 3 in 1 multi horsepower powerhouse designed to streamline local truck stock. Engineered as a direct replacement for PD1127, this 3. 3 inch diameter motor provides a reliable retrofit for hundreds of OEM shaded pole evaporator fan applications found in Heatcraft, Bohn, and Chandler equipment. Featuring a Permanent Split Capacitor (PSC)